TM-9-2320-272-23-3

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 3 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-3 - Page 1035 of 1469

REMOVAL

1.

Remove brake drum (Figure 1, Item 9) from hub (Figure 1, Item 3).

2.

Remove ten screws (Figure 1, Item 8), lockwashers (Figure 1, Item 7), and axle shaft (Figure 1, Item 6) from

hub (Figure 1, Item 3). Discard lockwashers.

NOTE

Tag inner and outer bearings for installation.

3.

Remove outer bearing nut (Figure 1, Item 10) and washer (Figure 1, Item 11) from spindle (Figure 1, Item 5).

4.

Remove bearing adjusting nut (Figure 1, Item 12) and outer bearing (Figure 1, Item 13) from spindle

(Figure

1, Item 5).

CAUTION

Do not allow hub assembly to slide directly over threaded end of spindle. Damage to air seals

may result.

NOTE

Assistant will help with Step (5).

5.

Remove hub (Figure 1, Item 3) from spindle (Figure 1, Item 5).

6.

Remove oil seal (Figure 1, Item 4) and inner bearing (Figure 1, Item 14) from hub (Figure 1, Item 3). Discard

oil seal.

7.

Remove snapring (Figure 1, Item 1) and two air seals (Figure 1, Item 2) from hub (Figure 1, Item 3). Discard

air seals.

TM 9-2320-272-23-3

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